Q01.1 ICD-10-CA code: Nasofrontal encephalocele

Q01.1 is the ICD-10-CA code for “Nasofrontal encephalocele” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

Q01.1

Nasofrontal encephalocele

ICD-10-CA · Canada · Also written Q011

Index terms

Entries in CIHI’s alphabetical index that lead to Q01.1. Searching the index by the condition the note names is how coders reach this code.

  • Encephalocele (congenital), nasofrontal

Notes for Q01.1

As CIHI prints them, with any note Q01.1 takes from the headings above it.

Includes

  • Encephalomyelocelehydroencephalocelehydromeningocele, cranialmeningocele, cerebralmeningoencephaloceleFrom Q01 Encephalocele

Excludes

Conditions classified elsewhere.

  • Acquired (temporal) encephalocele (G93.5)Meckel-Gruber syndrome (Q61.9)From Q01 Encephalocele
  • Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

Where Q01.1 sits

  1. 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  2. 2Block Q00-Q07Congenital malformations of the nervous system
  3. 3Category Q01Encephalocele
  4. 4Valid code Q01.1Nasofrontal encephalocele

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does ICD-10-CA code Q01.1 mean?

Q01.1 is the ICD-10-CA code for “Nasofrontal encephalocele” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is Q01.1 in ICD-10-CA?

Q01.1 sits under Q01 Encephalocele, within Q00-Q07 Congenital malformations of the nervous system, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).

What coding notes apply to Q01.1?

ICD-10-CA lists Includes, Excludes notes for Q01.1, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.